Those aren’t template pages, they are regular pages with code added in. The contact page in the demo – http://demo.appfinite.com/epik/contact/ is using a premium plugin called Gravity Forms. As mentioned on the contact page, you would need to purchase that plugin in order to use it – http://www.gravityforms.com/
For the buttons and boxes page in the demo: The instructions on how to add this code is also at the bottom of the demo page – http://demo.appfinite.com/epik/buttons-boxes/